Direct current motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 7, 2010
Grant Date -
Aug 28, 2008
app pub date -
Feb 25, 2008
filing date -
Feb 28, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gear housing accommodates a worm shaft. A brush holder includes a base member and a retaining member loosely fitted to the base member. The base member is located between the gear housing and the retaining member. The retaining member retains a first brush and a second brush. The retaining member has a pair of positioning poles, and the gear housing has a pair of positioning projections. The positioning poles and the positioning projections are engaged with each other so as to prevent the retaining member from being moved in a direction perpendicular to the axial direction of the rotary shaft.
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Cited Art Landscape
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